Linux Du Command Help and Examples |
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Linux du command
Updated: 11/06/2021 by Computer Hope
On Unix-like operating systems, the du command estimates and displays the disk space used by files. This page covers the GNU/Linux version of du. Syntax Options SIZE format Examples Related commands Linux commands help Syntax du [OPTION]... [FILE]... du [OPTION]... --files0-from=F Options -a, --all Write counts for all files, including directories. --apparent-size Print apparent sizes, rather than disk usage; although the apparent size is usually smaller, it may be larger due to holes in ('sparse') files, internal fragmentation, and indirect blocks. -B, --block-size=SIZE Scale sizes by SIZE before printing them. For example, '-BM' prints sizes in units of 1,048,576 bytes. (see SIZE format below). -b, --bytes Equivalent to '--apparent-size --block-size=1'. -c, --total Display a grand total. -D, --dereference-args Dereference only symlinks that are listed on the command line. --files0-from=F Summarize disk usage of the null-terminated file names specified in file F; If F is "-" then read names from standard input. -H Equivalent to --dereference-args (-D). -h, --human-readable Print sizes in human readable format, rounding values and using abbreviations. For example, "1K", "234M", "2G", etc. --si Like -h, but use powers of 1000, not 1024. -k Like --block-size=1K. -l, --count-links Count sizes often if hard-linked. -m Like --block-size=1M. -L, --dereference Dereference all symbolic links. -P, --no-dereference Don't follow any symbolic links (this is the default). -0, --null End each output line with 0 byte rather than newline. -S, --separate-dirs Do not include size of subdirectories. -s, --summarize Display only a total for each argument. -x, --one-file-system Skip directories on different file systems. -X, --exclude-from=FILE Exclude files that match any pattern in FILE. --exclude=PATTERN Exclude files that match PATTERN. -d, --max-depth=N Print the total for a directory (or file, with --all) only if it's N or fewer levels below the command line argument; --max-depth=0 is the same as --summarize. --time Show time of the last modification of any file in the directory, or any of its subdirectories. --time=WORD Show time as WORD instead of modification time: atime, access, use, ctime or status. --time-style=STYLE Show times using style STYLE: full-iso, long-iso, iso, or +FORMAT. (FORMAT is interpreted like the format of 'date'.) --help Display a help message and exit. --version Output version information and exit. SIZE formatDisplay values are in units of the first available SIZE from --block-size, and the DU_BLOCK_SIZE, BLOCK_SIZE and BLOCKSIZE environment variables. Otherwise, units default to 1024 bytes (or 512 if POSIXLY_CORRECT is set). SIZE is an integer and optional unit (example: 10M is 10*1024*1024). Units are K, M, G, T, P, E, Z, Y (powers of 1024) or KB, MB, ... (powers of 1000). Examples du -s *.txtReports the size of each file in the current directory with the extension .txt. Below is an example of the output: 8 file1.txt 8 file2.txt 10 file3.txt 2 file4.txt 8 file5.txt 8 file6.txt du -shc *.txtDisplay the same data, but in a "human-readable" size format, and display a grand total. 8.0K file1.txt 8.0K file2.txt 10.0K file3.txt 2.0K file4.txt 8.0K file5.txt 8.0K file6.txt 44.0K total Related commandsdf — Report the amount of available disk space on file systems.ls — List the contents of a directory or directories. |
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